Weather History for Dulles Airport, VA

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Month of October, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 90 °F 69 °F 52 °F
Mean Temperature 76 °F 59 °F 42 °F
Min Temperature 63 °F 48 °F 29 °F
Degree Days  
Heating Degree Days (base 65) 23 8 0 242
Cooling Degree Days (base 65) 11 2 0 47
Growing Degree Days (base 50) 26 9 0 286
Dew Point  
Dew Point 73 °F 48 °F 23 °F
Precipitation  
Precipitation 3.38 in 0.28 in 0.00 in 7.51 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 22 mph 6 mph 0 mph
Gust Wind 32 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 30.08 in 29.68 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 29, 2013 Rise Set
Actual Time 7:34 AM EDT 6:12 PM EDT
Civil Twilight 7:06 AM EDT 6:39 PM EDT
Nautical Twilight 6:35 AM EDT 7:11 PM EDT
Astronomical Twilight 6:04 AM EDT 7:42 PM EDT
Moon 2:24 AM EDT (10/29) 3:22 PM EDT (10/29)
Length of Visible Light 11h 33m
Length of Day
10h 38m
Waning Crescent, 25% of the Moon is Illuminated
Oct 29
Waning Crescent
Nov 3
New
Nov 10
First Quarter
Nov 17
Full
Nov 25
Last Quarter

Weather History Calendar

Precipitation Actual month total 7.51 Normal Month Total: 3.25
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
83 | 53 0.00
Average:
73 | 50 0.11
Fog
Actual:
86 | 53 0.00
Average:
73 | 49 0.10
Partly Cloudy
Actual:
83 | 55 0.00
Average:
73 | 49 0.10
Fog
Actual:
90 | 57 0.00
Average:
72 | 48 0.11
Partly Cloudy
Actual:
90 | 62 0.00
Average:
72 | 48 0.10
Fog
Actual:
89 | 63 0.00
Average:
71 | 47 0.11
Rain
Actual:
74 | 53 1.13
Average:
71 | 47 0.11
Partly Cloudy
Actual:
69 | 46 0.00
Average:
71 | 46 0.10
Rain
Actual:
61 | 51 0.21
Average:
70 | 46 0.11
Rain
Actual:
57 | 52 2.22
Average:
70 | 46 0.11
Rain
Actual:
62 | 56 3.38
Average:
70 | 45 0.11
Rain
Actual:
67 | 60 0.33
Average:
69 | 45 0.10
Rain
Actual:
62 | 56 0.12
Average:
69 | 45 0.10
Partly Cloudy
Actual:
71 | 52 0.00
Average:
69 | 44 0.11
Fog
Actual:
72 | 48 0.00
Average:
68 | 44 0.10
Mostly Cloudy
Actual:
71 | 60 0.00
Average:
68 | 44 0.10
Rain
Actual:
76 | 59 0.09
Average:
68 | 43 0.10
Partly Cloudy
Actual:
66 | 45 0.00
Average:
68 | 43 0.10
Rain
Actual:
65 | 43 T
Average:
67 | 43 0.10
Clear
Actual:
63 | 42 0.00
Average:
67 | 42 0.10
Scattered Clouds
Actual:
67 | 36 0.00
Average:
67 | 42 0.11
Rain
Actual:
65 | 46 T
Average:
66 | 42 0.10
Partly Cloudy
Actual:
58 | 42 T
Average:
66 | 41 0.10
Partly Cloudy
Actual:
52 | 34 0.00
Average:
66 | 41 0.11
Scattered Clouds
Actual:
54 | 29 0.00
Average:
65 | 41 0.10
Scattered Clouds
Actual:
56 | 29 0.00
Average:
65 | 41 0.11
Partly Cloudy
Actual:
61 | 35 0.00
Average:
65 | 40 0.10
Partly Cloudy
Actual:
65 | 34 0.00
Average:
64 | 40 0.11
Partly Cloudy
Actual:
64 | 38 0.00
Average:
64 | 40 0.11
Rain
Actual:
66 | 45 0.03
Average:
64 | 40 0.11
Rain
Actual:
70 | 53 T
Average:
63 | 39 0.11
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 83 68 53 57 54 52 93 65 36 30.09 30.03 29.99 10 10 10 13 3 16 0.00  
2 86 70 53 58 56 52 93 64 34 30.10 30.05 30.01 10 9 3 16 4 21 0.00 Fog
3 83 69 55 63 59 54 100 74 47 30.13 30.09 30.05 10 9 7 9 3 14 0.00  
4 90 74 57 73 61 55 100 70 39 30.10 30.06 29.90 13 7 1 13 2 17 0.00 Fog
5 90 76 62 65 62 60 93 67 40 30.11 30.05 30.01 10 9 4 12 2 21 0.00  
6 89 76 63 66 63 60 100 70 40 30.03 29.97 29.92 10 9 5 20 8 25 0.00 Fog
7 74 64 53 70 61 44 93 74 55 30.07 29.87 29.80 10 7 0 20 9 28 1.13 Fog , Rain
8 69 58 46 47 44 42 86 64 42 30.30 30.23 30.09 10 10 10 14 5 21 0.00  
9 61 56 51 51 48 45 89 75 60 30.34 30.29 30.23 10 10 7 15 9 18 0.21 Rain
10 57 55 52 55 51 48 96 90 83 30.23 30.11 30.01 10 4 1 17 12 24 2.22 Rain
11 62 59 56 61 57 55 100 95 90 30.01 29.98 29.96 10 3 1 15 10 18 3.38 Rain
12 67 64 60 61 59 55 93 83 73 30.17 30.08 30.00 10 5 2 16 7 25 0.33 Rain
13 62 59 56 58 56 53 93 87 80 30.33 30.26 30.18 10 7 2 14 8 18 0.12 Fog , Rain
14 71 62 52 54 52 50 93 72 51 30.35 30.30 30.24 10 10 10 8 3 13 0.00  
15 72 60 48 56 50 44 96 67 38 30.24 30.18 30.10 10 7 0 8 2 12 0.00 Fog
16 71 66 60 61 59 55 93 80 66 30.10 30.01 29.92 10 10 9 10 4 22 0.00  
17 76 68 59 61 59 52 97 78 58 29.91 29.84 29.73 10 9 1 22 7 29 0.09 Rain
18 66 56 45 47 41 38 86 62 37 30.03 29.97 29.86 10 10 10 21 7 29 0.00  
19 65 54 43 56 50 41 96 80 63 30.01 29.90 29.79 10 9 7 20 5 28 T Rain
20 63 53 42 43 35 31 83 58 32 30.11 30.04 29.91 10 10 10 21 7 30 0.00  
21 67 52 36 42 38 35 92 62 32 30.16 30.08 29.97 10 10 10 16 6 21 0.00  
22 65 56 46 48 42 35 86 65 44 29.94 29.88 29.83 10 10 10 13 6 28 T Rain
23 58 50 42 38 34 29 71 53 35 29.93 29.79 29.68 10 10 10 17 7 21 T  
24 52 43 34 32 28 23 82 57 32 30.16 30.04 29.94 10 10 10 21 10 31 0.00  
25 54 42 29 31 28 26 85 62 38 30.34 30.26 30.15 10 10 10 20 7 26 0.00  
26 56 43 29 30 27 24 92 61 30 30.32 30.14 29.96 10 10 10 21 8 29 0.00  
27 61 48 35 37 33 30 85 59 32 30.16 30.06 29.98 10 10 10 17 4 21 0.00  
28 65 50 34 39 36 31 89 63 36 30.29 30.23 30.16 10 10 10 8 3 9 0.00  
29 64 51 38 42 38 34 86 61 36 30.40 30.34 30.29 10 10 7 7 1 9 0.00  
30 66 56 45 53 48 42 96 77 58 30.32 30.24 30.16 10 9 4 13 3 17 0.03 Rain
31 70 62 53 59 56 52 93 77 61 30.18 30.03 29.78 10 7 3 21 8 32 T Rain